David Servan-Schreiber, MD, PHD, is clinical professor of psychiatry at the University of Pittsburgh and a founding board member of Doctors Without Borders, USA. He is the author of " Anticancer—A new way of life." (Viking)

New research shows our bodies are surprisingly good at fighting some cancers on their own. Dr. David Servan-Schreiber on how lifestyle changes can supplement surgery or chemo.